AU2973995A - Process for improving efficiency in thermal power stations with series-connected condensers on the cooling water side - Google Patents

Process for improving efficiency in thermal power stations with series-connected condensers on the cooling water side

Info

Publication number
AU2973995A
AU2973995A AU29739/95A AU2973995A AU2973995A AU 2973995 A AU2973995 A AU 2973995A AU 29739/95 A AU29739/95 A AU 29739/95A AU 2973995 A AU2973995 A AU 2973995A AU 2973995 A AU2973995 A AU 2973995A
Authority
AU
Australia
Prior art keywords
cooling water
condensers
flow
pass
partial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU29739/95A
Inventor
Uwe Johanntgen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saarbergwerke AG
Original Assignee
Saarbergwerke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saarbergwerke AG filed Critical Saarbergwerke AG
Publication of AU2973995A publication Critical patent/AU2973995A/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
    • F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Greenhouses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Discharge Heating (AREA)

Abstract

In a process in thermal power stations in which condensers (1a, 1b) are connected in series on the cooling water side to improve efficiency, it is proposed that, with excessively low cooling water inlet temperatures, when the improved efficiency is lost through sub-critical pressure ratios, part of the flow of cooling water adjustable, e.g. using a regulating device (13), be diverted before entering the first condenser (1a) via a by-pass line (12), by-pass said condenser (12) and be remixed with the partial cooling water flow before entering the condenser (1b) through which it has yet to pass. The process of the invention can also be extended to other condensers in order to ensure that there is no obstruction in the flow profile in the allocated turbines or partial turbines owing to the pressure ratios arising in the by-passed and subsequent condensers. The advantage of the improved efficiency is thus retained even with excessively low cooling water inlet temperatures and the pressure ratios in the un-by-passed condensers remain virtually unaffected. The ratio between by-pass partial flow and cooling water partial flow is adequately adjusted or controlled depending on the actual cooling water outlet temperature.
AU29739/95A 1994-07-14 1995-07-07 Process for improving efficiency in thermal power stations with series-connected condensers on the cooling water side Abandoned AU2973995A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4424870A DE4424870A1 (en) 1994-07-14 1994-07-14 Process for improving efficiency in thermal power plants with condensers connected in series on the cooling water side
DE4424870 1994-07-14
PCT/DE1995/000860 WO1996002736A1 (en) 1994-07-14 1995-07-07 Process for improving efficiency in thermal power stations with series-connected condensers on the cooling water side

Publications (1)

Publication Number Publication Date
AU2973995A true AU2973995A (en) 1996-02-16

Family

ID=6523147

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29739/95A Abandoned AU2973995A (en) 1994-07-14 1995-07-07 Process for improving efficiency in thermal power stations with series-connected condensers on the cooling water side

Country Status (6)

Country Link
EP (1) EP0719378B1 (en)
AT (1) ATE166427T1 (en)
AU (1) AU2973995A (en)
DE (2) DE4424870A1 (en)
DK (1) DK0719378T3 (en)
WO (1) WO1996002736A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19626372C1 (en) * 1996-07-02 1997-11-27 Saarbergwerke Ag Method and device for improving the efficiency in steam power plants
EP0895050A3 (en) 1997-07-30 2000-05-24 Siemens Aktiengesellschaft Steam turbine plant
EP2307673A2 (en) * 2008-08-04 2011-04-13 United Technologies Corporation Cascaded condenser for multi-unit geothermal orc
CN107062927B (en) * 2017-04-19 2024-02-06 北京今大禹环境技术股份有限公司 Multistage condenser reverse cooling noncondensable gas system for sea water desalination and process thereof
CN114877491B (en) * 2022-05-12 2023-12-22 珠海格力电器股份有限公司 Central air conditioner water system work control method, central air conditioner water system and control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168030A (en) * 1976-10-22 1979-09-18 Timmerman Robert W Waste heat utilization system
DE2737539A1 (en) * 1977-08-19 1979-03-01 Steag Ag Series condensing system for multistage turbine plant - has condensate from one stage injected into exhaust of next stage
DD275591A3 (en) * 1986-05-30 1990-01-31 Turboatom METHOD FOR MULTIPLE PRECIPITATION OF CIRCULATORY WATER

Also Published As

Publication number Publication date
WO1996002736A1 (en) 1996-02-01
DE59502250D1 (en) 1998-06-25
EP0719378B1 (en) 1998-05-20
ATE166427T1 (en) 1998-06-15
DK0719378T3 (en) 1999-01-25
DE4424870A1 (en) 1996-01-18
EP0719378A1 (en) 1996-07-03

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